A guest pass is a secondary redemption method used to claim a benefit or entitlement through an alternate path instead of the main subscription flow. In the context provided, it is mentioned as the way Ultra customers can redeem a bundled offer, but the source does not explain the mechanics.
Security teams care about guest passes because any alternate claim process becomes part of the trust boundary. If a pass can be forwarded, reused, or claimed on the wrong account, it may enable entitlement fraud, account takeover abuse, or confusion during support and recovery. Defenders should bind redemption to a verified identity, record who activated the benefit and when, and make transfer rules explicit. In attacks, criminals may target the redemption link, code, or session rather than the protected service itself. In defenses, careful validation and audit logging help ensure that the right user receives the right access.